Leon Kenworthy’s practice focuses on complex government, regulatory and commercial litigation at the trial and appellate levels. He has represented clients in matters in a range of substantive areas, with particular focus on administrative law, constitutional law, national security and international law. Mr. Kenworthy has represented clients in litigation and investigations in a range of industries, including healthcare, telecommunications, pharmaceuticals, technology, international development, defense and aviation. He maintains an active pro bono practice, including in the areas of reproductive rights, immigration law and LGBTQ rights. 

Mr. Kenworthy joined the firm after serving as a law clerk to the Honorable Robert L. Wilkins of the US Court of Appeals for the DC Circuit. While pursuing his law degree, Mr. Kenworthy interned in the Criminal Division of the US Attorney’s Office for the Eastern District of New York and in the Office of the President of the International Criminal Tribunal for the former Yugoslavia.


  • Selected for inclusion in Best Lawyers: Ones to Watch in 2024

Insights & News


  • Education

    • JD, Columbia Law School, 2013

      James Kent Scholar, Articles Editor, Columbia Human Rights Law Review

    • MA, Middle Eastern Studies, Hebrew University of Jerusalem, 2008

    • BA, History, Hendrix College, 2006

  • Admissions

    • District of Columbia

    • New York

  • Clerkships

    • The Hon. Robert L. Wilkins, US Court of Appeals for the DC Circuit, 2014 - 2015